Simplecom KM420 HDMI 2.0 4K and 4-Port USB 3.0 HDMI Multi-Port KVM Switch allows you to control 2 computers with only one set of USB peripherals and one display, such as mouse, keyboard, printer, external USB drives and monitor. You can easily switch USB devices and HDMI display between two computers, makes your work and life simple and efficient. Now you won't have to unplug devices and monitor every time you use a different computer. With the single toggle button, it switches your USB peripherals and HDMI video input simultaneously. 4-Port USB 3.0 hub works with mice, keyboards, printers, USB drives and support data transfer speed of up to 5Gbps, also backward compatible with USB 2.0 devices. 2-Port HDMI 2.0 switch allows two computers to share one HDMI display, supports video resolution up to 4K@60Hz. KVM switch is ideal for controlling two computers, such as your desktop and laptop, your PC and Mac, and to make it even easier to use, this switch is plug-and-play and hot swappable. Simplify your connections with this USB and HDMI KVM Switch. Specifications - USB Upstream Ports: USB 3.0 AF x 2 (Connect to PC1 and PC2), USB Downstream Ports: USB 3.0 AF x 4 (Connect USB peripherals), HDMI Input: HDMI 2.0 x 2 (Connect to PC1 and PC2), HDMI Output: HDMI 2.0 x 1 (Connect to display), Max Video Resolution: 4K@60Hz (3840x2160), HDMI Max Bandwidth: 18Gbps.